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Study Resources (Chemistry)

71) Using the following portion of the activity series for oxidation half reactions K(s) → K+(aq) + e- Al(s) → Al3+(aq) + 3e- Fe(s) → Fe2+(aq) + 2e- Sn(s) → Sn2+(aq) + 2e- determine which reaction will occur. A) Al3+(aq) with Fe(s) B) Al(s) with Sn(s) C) K+(aq) with Fe2+(aq) D) K(s) with Sn2+(aq) 72) Using the following portion.
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91) Determine the number of water molecules necessary to balance the reduction half reaction of ____ ClO3-(aq) → ____ Cl- (aq)that occurs in an acidic solution. A) 1 B) 3 C) 5 D) 7 92) What is the oxidation half reaction in the following chemical reaction? Zn(s) + 2 H+(aq) → Zn2+(aq) + H2(g) A) Zn(s) →.
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101) Which grouping of elements, indicated by letter on the periodic table above, represents the s-block elements? A) A B) B C) C D) D 102) Which orbital-filling diagram violates the Pauli exclusion principle? A) B) C) D) 103) Which orbital-filling diagram violates Hund's rule? A) B) C) D) 104) Which orbital-filling diagram represents the ground state.
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21) Which of the following is not true? A) All moving objects have wave characteristics. B) For objects moving at a given speed, the larger the mass, the shorter the wavelength. C) The de Broglie relation and the Heisenberg uncertainty principle apply only to small particles. D) The Heisenberg uncertainty principle is an inequality. 22).
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91) What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table? A) ns2 B) ns2np2 C) ns2(n-1)d2 D) ns2(n-2)f2 92) What is the ground-state valence-shell electron configuration of the group of elements indicated by the shaded portion of the periodic table? A) ns2 B) ns2np2 C) ns2(n-1)d2 D).
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101) Based on the balanced chemical equation shown below, determine the molarity of a solution containing Fe2+(aq), if 40.00 mL of the Fe2+(aq) solution is required to completely react with 30.00 mL of a 0.125 M potassium bromate, KBrO3(aq), solution.The chemical equation for the reaction is: 6 Fe2+(aq) + BrO3-(aq) +.
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4.3   Short Answer Questions 1) The reaction shown below is classified as a(n) ________ reaction. AgNO3(aq) + HCl(aq) → AgCl(s) + HNO3(aq) 2) The reaction shown below is classified as a(n) ________ reaction. Pb(OH)2(s) + 2 HNO3(aq) → Pb(NO3)2(aq) + 2 H2O(l) 3) What are the two products of the reaction H3PO4(aq) +.
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11) According to the Balmer-Rydberg equation, the transition from n = 6 to m = 2 results in a spectral line having which color? A) blue B) blue-green C) indigo D) red 12) A person is most likely to experience serious biological effects when exposed to which of the following forms of electromagnetic radiation? A) Microwaves B).
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5.3   Short Answer Questions 1) Compared to ultraviolet radiation, infrared radiation occurs at ________ wavelengths, ________ frequencies, and ________ energies. 2) The visible region of the electromagnetic radiation spectrum extends from ________ nm to ________ nm. 3) Middle C on a piano has a frequency of 262 Hz. In a vacuum 262 Hz.
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51) Write a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). A) CH3CO2H(aq) + CsOH(aq) → CH3CO2Cs(aq) + H2O(l) B) CH3CO2-(aq) + H+(aq) + Cs+(aq) + OH-(aq) → CH3CO2-(aq) + Cs+ + H2O(l) C) CH3CO2H(aq) + Cs+(aq) + OH-(aq) → CH3CO2Cs(s) + H2O(l) D) CH3CO2H(aq) + OH-(aq) → CH3CO2-(aq) + H2O(l) 52).
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5.1   Multiple-Choice Questions infrared, microwave, ultraviolet, visible. A) microwave < infrared < visible < ultraviolet B) microwave < visible < infrared < ultraviolet C) ultraviolet < infrared < visible < microwave D) ultraviolet < visible < infrared < microwave 2) The greater the energy of a photon, the A) longer the wavelength and the higher the frequency. B).
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31) Predict the products of a reaction between AgNO3(aq) and KBr(aq). A) Ag(s) and NO(g) B) Ag(s) and Br2(l) C) AgBr(s) and KNO3(aq) D) AgNO3(aq) and KBr(aq) 32) Predict the products of a reaction between Ba(NO3)2(aq) and K2SO4(aq). A) Ba(s), KNO3(aq) and K2SO3(aq) B) BaSO3(s) and KNO2(aq) C) BaSO3(s) and KNO3(aq) D) BaSO4(s) and KNO3(aq) 33) Which pair of reactants.
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61) In which compound is the oxidation state of hydrogen not +1? A) H2O B) H2O2 C) NaH D) Na2HSO4 62) What is the oxidation number change for the manganese atom in the following unbalanced reduction half reaction? MnO4-(aq) + H+(aq) → Mn2+(aq) + H2O(l) A) -7 B) -5 C) +5 D) +7 63) What is the oxidation number change for.
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6.1   Multiple-Choice Questions 1) Which contains ionic bonds? A) CCl4 B) CaCl2 C) Cl2 D) HCl 2) Which contains covalent bonds? A) NaH and HCl B) only HCl C) only NaCl D) only NaH 3) Which contains both covalent bonds and ionic bonds? A) HCl B) NaCl C) NH3 D) NH4Cl 4) What is the ground-state electron configuration of the ion Hg2+? A) [Xe]4f145d10 B) [Xe]4f145d86s2 C).
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21) Of the following, which element has the highest first ionization energy? A) Al B) Cl C) Na D) P 22) Of the following, which element has the highest first ionization energy? A) Ca B) K C) Li D) Mg 23) Of the following, which element has the highest first ionization energy? A) Ca B) Cl C) Na D) Se 24) Of the following, which.
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61) Molybdenum has an anomalous electron configuration. Write the electron configuration of Mo using shorthand notation. A) [Kr] 5s0 4d6 B) [Kr] 5s0 4d0 5p6 C) [Kr] 5s1 4d5 D) [Kr] 5s2 4d4 62) What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals? A) ns1 B) ns2 C) 1s22s1 D) 1s22s2 63) What is the ground-state.
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31) Which of the following represents the change in electronic configuration that is associated with the first ionization energy of magnesium? A) [Ne]3s13p1 → [Ne]3s1 + e- B) [Ne]3s2 → [Ne]3s13p1 C) [Ne]3s2 → [Ne]3s1 + e- D) [Ne]3s2 + e- → [Ne]3s23p1 32) Consider the following electron configurations for neutral atoms: atom I = 1s22s22p63s2 atom.
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101) 2-Propanol has the molecular formula C3H8O. Which ball and stick model shown above represents 2-propanol?  [gray spheres = C, black spheres = O, unshaded spheres = H] A) model a) B) model b) C) model c) D) model d) 102) If unshaded spheres represent nitrogen atoms and shaded spheres represent oxygen atoms, which box.
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4.1   Multiple-Choice Questions 1) The reaction HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) is best classified as a(n) A) acid-base neutralization reaction. B) oxidation-reduction reaction. C) precipitation reaction. D) single replacement reaction. 2) The reaction 2 HNO3(aq) + Ba(OH)2(aq) → Ba(NO3)2(aq) + 2 H2O(l) is best classified as a(n) A) acid-base neutralization reaction. B) oxidation-reduction reaction. C) precipitation reaction. D).
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41) Which of the following compounds is an Arrhenius base in water? A) C6H12O6 B) HOClO2 C) H2SO4 D) NH3 42) Which of the following compounds is an Arrhenius base in water? A) CH3OH B) CH3CO2H C) HOCl D) KOH 43) Which one of the following compounds behaves as an acid when dissolved in water? A) BaO B) CH4 C) HBr D) KOH 44) When.
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11) Which of the following compounds is an Arrhenius base? A) C6H12O6 B) HOCl C) H2SO4 D) C6H5NH2 12) Which of the following compounds is an Arrhenius base? A) CH3OH B) CH3CO2H C) HOCl D) CsOH 13) Which one of the following compounds behaves as an acid when dissolved in water? A) RaO B) C4H10 C) H I D) RbOH 14) Which of the.
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81) Which one of the following compounds contains the smallest percent oxygen by mass? A) CO2 B) N2O4 C) P4O10 D) SO2 82) Which one of the following contains 35% carbon by mass? A) C2H2 B) CH4 C) CH3F D) CO2 83) Which of the following statements is false concerning the formula of a compound? A) The empirical formula is the.
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81) If wave (a) represents green light, wave (b) might represent A) blue light. B) red light. C) ultraviolet radiation. D) X-rays.     82) Which of the above fourth-shell orbitals is a 4pz orbital? A) orbital (a) B) orbital (b) C) orbital (c) D) orbital (d) 83) Which of the above fourth-shell orbitals is a 4py orbital? A) orbital (a) B) orbital (b) C).
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3.2   Algorithmic Questions 1) What is the stoichiometric coefficient for oxygen when the following equation is balanced using the lowest whole-number coefficients? _____ C2H6O (l) + _____ O2(g) → _____ CO2(g) + _____ H2O(l) A) 9 B) 7 C) 5 D) 3 2) Aluminum metal reacts with  aqueous iron( II)  chloride to form  aqueous aluminum  chloride and .
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